Solution

The correct answer is A - IV, B - III, C - I, D - II

Key Points

• A. Thread spawn
  • This refers to the creation of a new thread, and the thread is provided with its own register context.
  • Correct match: IV. thread is provided with its own register context.
• B. Block thread
  • This refers to the action of putting a thread in a waiting state, allowing the processor to turn to the execution of another ready thread.
  • Correct match: III. processor turn to the execution of another ready thread.
• C. Jacketing
  • This refers to the technique used to convert a blocking system call into a nonblocking call.
  • Correct match: I. to convert a blocking system call into a nonblocking call.
• D. Flush
  • This refers to the action to reclaim pages in memory management.
  • Correct match: II. to reclaim pages.

Therefore, the correct answer is: A - IV, B - III, C - I, D - II